body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #fff;
    padding: 20px;
    width: 400px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    border-radius: 8px;
}

h1, h2 {
    text-align: center;
}

.upload-section {
    margin-bottom: 20px;
}

.upload-label {
    font-weight: bold;
}

.file-input {
    display: block;
    margin-top: 8px;
    margin-bottom: 16px;
    width: calc(100% - 20px);
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

.upload-button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.preview-section {
    text-align: center;
}

.preview-image {
    max-width: 100%;
    margin-top: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}